문제링크
#include <iostream>
using namespace std;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int a, b;
cin >> a >> b;
cout << a + b << "\n";
cout << a - b << "\n";
cout << a * b << "\n";
cout << a / b << "\n";
cout << a % b << "\n";
}